diff --git a/nest_frontend/components/interactive/BoxConditionMap.js b/nest_frontend/components/interactive/BoxConditionMap.js
index d2a699b..3dc9ebc 100644
--- a/nest_frontend/components/interactive/BoxConditionMap.js
+++ b/nest_frontend/components/interactive/BoxConditionMap.js
@@ -6,7 +6,7 @@ import useRepositoryEditor from "../../hooks/useRepositoryEditor"
 import Condition from "../../utils/Condition"
 import ContextLanguage from "../../contexts/ContextLanguage"
 import BoxMap from "../base/BoxMap"
-import useMapView from "../../hooks/useMapView"
+import useMapAreaState from "../../hooks/useMapAreaState"
 import osmZoomLevels from "../../utils/osmZoomLevels"
 
 
@@ -18,7 +18,7 @@ import osmZoomLevels from "../../utils/osmZoomLevels"
  * @constructor
  */
 export default function BoxConditionMap({ ...props }) {
-    const mapViewHook = useMapView()
+    const mapViewHook = useMapAreaState()
     const { addCondition } = useRepositoryEditor()
     const { strings } = useContext(ContextLanguage)
 
diff --git a/nest_frontend/components/providers/RepositoryViewer.js b/nest_frontend/components/providers/RepositoryViewer.js
index f2dff8d..b8ad41f 100644
--- a/nest_frontend/components/providers/RepositoryViewer.js
+++ b/nest_frontend/components/providers/RepositoryViewer.js
@@ -24,7 +24,7 @@ import BoxFilterContains from "../interactive/BoxFilterContains"
 import BoxFilterUser from "../interactive/BoxFilterUser"
 import BoxFilterHashtag from "../interactive/BoxFilterHashtag"
 import BoxFilterLocation from "../interactive/BoxFilterLocation"
-import useMapView from "../../hooks/useMapView"
+import useMapAreaState from "../../hooks/useMapAreaState"
 import BoxFilterDatetime from "../interactive/BoxFilterDatetime"
 import BoxFilterHasPlace from "../interactive/BoxFilterHasPlace"
 
@@ -44,7 +44,7 @@ export default function RepositoryViewer({ id, className, ...props }) {
     } = useArrayState([])
 
     // FIXME: this has a severe performance impact, investigate
-    const mapViewHook = useMapView()
+    const mapViewHook = useMapAreaState()
 
     // Repository
     const repositoryBr = useBackendResource(
diff --git a/nest_frontend/contexts/ContextLanguage.js b/nest_frontend/contexts/ContextLanguage.js
index a48fb29..0b55bb4 100644
--- a/nest_frontend/contexts/ContextLanguage.js
+++ b/nest_frontend/contexts/ContextLanguage.js
@@ -8,7 +8,7 @@ import LocalizationStrings from "../LocalizationStrings"
  * - `setLang`: a function to change the current language
  * - `strings`: an object containing all strings of the current language
  *
- * Defaults to Italian.
+ * Defaults to Italian `it`.
  */
 export default createContext({
     lang: "it",
diff --git a/nest_frontend/contexts/ContextRepositoryEditor.js b/nest_frontend/contexts/ContextRepositoryEditor.js
index c8db99b..3364c6b 100644
--- a/nest_frontend/contexts/ContextRepositoryEditor.js
+++ b/nest_frontend/contexts/ContextRepositoryEditor.js
@@ -2,6 +2,8 @@ import { createContext } from "react"
 
 
 /**
- * Context to quickly pass props to the children of {@link RepositoryEditor}.
+ * React Context representing containing all variables of a {@link RepositoryEditor}.
+ *
+ * It is `null` outside a RepositoryEditor.
  */
 export default createContext(null)
diff --git a/nest_frontend/contexts/ContextRepositoryViewer.js b/nest_frontend/contexts/ContextRepositoryViewer.js
index a425822..17e387b 100644
--- a/nest_frontend/contexts/ContextRepositoryViewer.js
+++ b/nest_frontend/contexts/ContextRepositoryViewer.js
@@ -2,6 +2,8 @@ import { createContext } from "react"
 
 
 /**
- * Context to quickly pass props to the children of {@link RepositoryViewer}.
+ * React Context representing containing all variables of a {@link RepositoryViewer}.
+ *
+ * It is `null` outside a RepositoryViewer.
  */
 export default createContext(null)
diff --git a/nest_frontend/contexts/ContextServer.js b/nest_frontend/contexts/ContextServer.js
index c9a8402..7623b76 100644
--- a/nest_frontend/contexts/ContextServer.js
+++ b/nest_frontend/contexts/ContextServer.js
@@ -2,7 +2,7 @@ import { createContext } from "react"
 
 
 /**
- * A context containing an object with the following values:
+ * A React Context containing an object with the following values:
  * - `server`: the base URL of the currently active backend server
  * - `setServer`: a function to change `server`
  * - `fetchData`: a function to fetch JSON data from the backend server
diff --git a/nest_frontend/contexts/ContextTheme.js b/nest_frontend/contexts/ContextTheme.js
index 85f9a6b..bd5d07c 100644
--- a/nest_frontend/contexts/ContextTheme.js
+++ b/nest_frontend/contexts/ContextTheme.js
@@ -2,7 +2,7 @@ import { createContext } from "react"
 
 
 /**
- * A context containing an object with the following elements:
+ * A React Context containing an object with the following elements:
  * - `theme` - A string containing the name of the current theme.
  * - `setTheme` - A function that allows changing the `theme`.
  *
diff --git a/nest_frontend/contexts/ContextUser.js b/nest_frontend/contexts/ContextUser.js
index 9a883c5..5174353 100644
--- a/nest_frontend/contexts/ContextUser.js
+++ b/nest_frontend/contexts/ContextUser.js
@@ -2,7 +2,7 @@ import { createContext } from "react"
 
 
 /**
- * A context containing an object with the following values:
+ * A React Context containing an object with the following values:
  * - `user`: an object containing data about the currently logged in user
  * - `login`: a function accepting `email, password` as parameters which tries to login the user
  * - `logout`: a function accepting no parameters which logs the user out
diff --git a/nest_frontend/contexts/README.md b/nest_frontend/contexts/README.md
deleted file mode 100644
index 85f071e..0000000
--- a/nest_frontend/contexts/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# Contexts
-
-In questa cartella sono contenuti i `Context` globali di React.
diff --git a/nest_frontend/hooks/useBackendRequest.js b/nest_frontend/hooks/useBackendRequest.js
index 9c85044..1ee6489 100644
--- a/nest_frontend/hooks/useBackendRequest.js
+++ b/nest_frontend/hooks/useBackendRequest.js
@@ -1,7 +1,6 @@
 import { useCallback, useContext, useState } from "react"
 import ContextServer from "../contexts/ContextServer"
 import ContextUser from "../contexts/ContextUser"
-import makeURLSearchParams from "../utils/makeURLSearchParams"
 
 
 /**
@@ -45,7 +44,7 @@ export default function useBackendRequest() {
             // Use the body param as either search parameter or request body
             if(body) {
                 if(["GET", "HEAD"].includes(method.toUpperCase())) {
-                    path += makeURLSearchParams(body).toString()
+                    path += URLSearchParams.fromSerializableObject(body).toString()
                 }
                 else {
                     init["body"] = JSON.stringify(body)
diff --git a/nest_frontend/hooks/useLocalStorageState.js b/nest_frontend/hooks/useLocalStorageState.js
index 66f5be0..4c30613 100644
--- a/nest_frontend/hooks/useLocalStorageState.js
+++ b/nest_frontend/hooks/useLocalStorageState.js
@@ -2,7 +2,8 @@ import { useCallback, useState } from "react"
 
 
 /**
- * Hook with the same API as {@link React.useState} which stores its value in the browser's {@link localStorage}.
+ * Hook with the same API as {@link React.useState} which additionally stores its value in the browser's
+ * {@link localStorage}.
  */
 export default function useLocalStorageState(key, def) {
     /**
diff --git a/nest_frontend/hooks/useMapAreaState.js b/nest_frontend/hooks/useMapAreaState.js
new file mode 100644
index 0000000..f1b8354
--- /dev/null
+++ b/nest_frontend/hooks/useMapAreaState.js
@@ -0,0 +1,21 @@
+import { useState } from "react"
+import Coordinates from "../objects/Coordinates"
+import MapArea from "../objects/MapArea"
+
+
+/**
+ * Hook which holds values required to create a {@link MapArea}.
+ */
+export default function useMapAreaState() {
+    const [zoom, setZoom] = useState(3)
+    const [center, setCenter] = useState(new Coordinates(0, 0))
+    const mapArea = MapArea.fromZoomLevel(zoom, center)
+
+    return {
+        zoom,
+        setZoom,
+        center,
+        setCenter,
+        mapArea,
+    }
+}
\ No newline at end of file
diff --git a/nest_frontend/hooks/useMapView.js b/nest_frontend/hooks/useMapView.js
deleted file mode 100644
index 990a931..0000000
--- a/nest_frontend/hooks/useMapView.js
+++ /dev/null
@@ -1,18 +0,0 @@
-import { useState } from "react"
-import { DEFAULT_MAP_CENTER, DEFAULT_MAP_ZOOM } from "../utils/defaultMapLocation"
-import osmZoomLevels from "../utils/osmZoomLevels"
-
-
-export default function useMapView() {
-    const [center, setCenter] = useState(DEFAULT_MAP_CENTER)
-    const [zoom, setZoom] = useState(DEFAULT_MAP_ZOOM)
-    const radius = osmZoomLevels[zoom]
-
-    return {
-        center,
-        setCenter,
-        zoom,
-        setZoom,
-        radius,
-    }
-}
\ No newline at end of file
diff --git a/nest_frontend/hooks/useRepositoryViewer.js b/nest_frontend/hooks/useRepositoryViewer.js
index 20e84f5..f4ae358 100644
--- a/nest_frontend/hooks/useRepositoryViewer.js
+++ b/nest_frontend/hooks/useRepositoryViewer.js
@@ -1,10 +1,9 @@
 import { useContext } from "react"
-import ContextRepositoryEditor from "../contexts/ContextRepositoryEditor"
 import ContextRepositoryViewer from "../contexts/ContextRepositoryViewer"
 
 
 /**
- * Hook to quickly use {@link ContextRepositoryEditor}.
+ * Hook to quickly use {@link ContextRepositoryViewer}.
  */
 export default function useRepositoryViewer() {
     const context = useContext(ContextRepositoryViewer)
@@ -12,4 +11,4 @@ export default function useRepositoryViewer() {
         throw new Error("This component must be placed inside a RepositoryViewer.")
     }
     return context
-}
\ No newline at end of file
+}
diff --git a/nest_frontend/hooks/useStrings.js b/nest_frontend/hooks/useStrings.js
index 4a02c4a..ce3618d 100644
--- a/nest_frontend/hooks/useStrings.js
+++ b/nest_frontend/hooks/useStrings.js
@@ -3,7 +3,7 @@ import ContextLanguage from "../contexts/ContextLanguage"
 
 
 /**
- * Hook to quickly use the strings of {@link ContextLanguage}.
+ * Hook to quickly use the `strings` attribute of {@link ContextLanguage}.
  */
 export default function useStrings() {
     return useContext(ContextLanguage).strings
diff --git a/nest_frontend/media/README.md b/nest_frontend/media/README.md
deleted file mode 100644
index 7a5a05a..0000000
--- a/nest_frontend/media/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# Media
-
-In questa cartella sono contenute le immagini statiche del sito web.
\ No newline at end of file
diff --git a/nest_frontend/routes/README.md b/nest_frontend/routes/README.md
deleted file mode 100644
index 3ae1b2c..0000000
--- a/nest_frontend/routes/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# Routes
-
-In questa cartella sono contenuti i `Component` che vengono renderati come pagine intere.
diff --git a/nest_frontend/utils/README.md b/nest_frontend/utils/README.md
deleted file mode 100644
index a34cb5a..0000000
--- a/nest_frontend/utils/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# Utils
-
-In questa cartella sono contenute alcune funzioni di utility per il sito.