diff --git a/public/data/locales/cz.json b/public/data/locales/cz.json
new file mode 100644
index 0000000..9b6344f
--- /dev/null
+++ b/public/data/locales/cz.json
@@ -0,0 +1,16 @@
+{
+  "treesPlanted":"zasazených stromů",
+  "target":"Cíl",
+  "plantTrees":"Sázej stromy",
+  "viewProfile":"Ukázat profil",
+  "poweredBy":"Powered by Plant-for-the-Planet",
+  "treesPlantedBy":"stromů zasadil",
+  "and":"a",
+  "treesPlantedByComm":"stromů zasadila komunita.",
+  "forestfrontrunners": "Přední Stromvedoucí",
+  "mostrecent": "NEJNOVĚJŠÍ",
+  "mosttrees": "NEJVÍC STROMŮ",
+  "trees": "stromů",
+  "the": "Počítáme, jak",
+  "forestGrows": "roste."
+}
\ No newline at end of file
diff --git a/public/index.html b/public/index.html
index 764acf5..9afcf20 100644
--- a/public/index.html
+++ b/public/index.html
@@ -206,6 +206,7 @@ <h2 class="widgetTitle">Select your Widget</h2>
                         aria-label="Default select example">
                         <option value="en" selected>Select Language</option>
                         <option value="en">EN</option>
+                        <option value="cz">CZ</option>
                         <option value="de">DE</option>
                         <option value="es">ES</option>
                         <option value="fr">FR</option>
@@ -261,6 +262,7 @@ <h5 class="widgetSubTitle" style="margin-bottom: 20px;">
                         aria-label="Default select example">
                         <option value="en" selected>Select Language</option>
                         <option value="en">EN</option>
+                        <option value="cz">CZ</option>
                         <option value="de">DE</option>
                         <option value="es">ES</option>
                         <option value="fr">FR</option>
@@ -310,6 +312,7 @@ <h5 class="widgetSubTitle" style="margin-bottom: 20px;">
                      aria-label="Default select example">
                      <option value="en" selected>Select Language</option>
                      <option value="en">EN</option>
+                     <option value="cz">CZ</option>
                      <option value="de">DE</option>
                      <option value="es">ES</option>
                      <option value="fr">FR</option>
@@ -349,6 +352,7 @@ <h5 class="widgetSubTitle" style="margin-bottom: 20px;">
                      aria-label="Default select example">
                      <option value="en" selected>Select Language</option>
                      <option value="en">EN</option>
+                     <option value="cz">CZ</option>
                      <option value="de">DE</option>
                      <option value="es">ES</option>
                      <option value="fr">FR</option>
diff --git a/src/TreeMap/App.svelte b/src/TreeMap/App.svelte
index 3d4612d..d4aa7f8 100644
--- a/src/TreeMap/App.svelte
+++ b/src/TreeMap/App.svelte
@@ -10,6 +10,7 @@
   import { fetchTiles } from "../../utils/mapUtils";
   import getImageUrl from "../../utils/getImageUrl";
   import enLocale from "./../../public/data/locales/en.json";
+  import czLocale from "./../../public/data/locales/cz.json";
   import deLocale from "./../../public/data/locales/de.json";
   import esLocale from "./../../public/data/locales/es.json";
   import frLocale from "./../../public/data/locales/fr.json";
@@ -40,6 +41,7 @@
 
   let language = [];
   language["en"] = enLocale;
+  language["cz"] = czLocale;
   language["de"] = deLocale;
   language["es"] = esLocale;
   language["fr"] = frLocale;
diff --git a/src/TreeProfile/App.svelte b/src/TreeProfile/App.svelte
index e4914c1..9311310 100644
--- a/src/TreeProfile/App.svelte
+++ b/src/TreeProfile/App.svelte
@@ -6,6 +6,7 @@
   import { localizedAbbreviatedNumber } from "../../utils/formatNumber";
   import getImageUrl from "../../utils/getImageUrl";
   import enLocale from "./../../public/data/locales/en.json";
+  import czLocale from "./../../public/data/locales/cz.json";
   import deLocale from "./../../public/data/locales/de.json";
   import esLocale from "./../../public/data/locales/es.json";
   import frLocale from "./../../public/data/locales/fr.json";
@@ -35,6 +36,7 @@
 
   let language = [];
   language["en"] = enLocale;
+  language["cz"] = czLocale;
   language["de"] = deLocale;
   language["es"] = esLocale;
   language["fr"] = frLocale;
diff --git a/src/TreeTenantCounter/App.svelte b/src/TreeTenantCounter/App.svelte
index 9311a74..69d6702 100644
--- a/src/TreeTenantCounter/App.svelte
+++ b/src/TreeTenantCounter/App.svelte
@@ -4,6 +4,7 @@
   import UserProfileLoader from "../../utils/contentLoaders/UserProfileLoader.svelte";
   import { localizedAbbreviatedNumber } from "../../utils/formatNumber";
   import enLocale from "./../../public/data/locales/en.json";
+  import czLocale from "./../../public/data/locales/cz.json";
   import deLocale from "./../../public/data/locales/de.json";
   import esLocale from "./../../public/data/locales/es.json";
   import frLocale from "./../../public/data/locales/fr.json";
@@ -30,6 +31,7 @@
 
   let language = [];
   language["en"] = enLocale;
+  language["cz"] = czLocale;
   language["de"] = deLocale;
   language["es"] = esLocale;
   language["fr"] = frLocale;
diff --git a/src/TreeTenantLeaderboard/App.svelte b/src/TreeTenantLeaderboard/App.svelte
index c80ae08..7f5b77f 100644
--- a/src/TreeTenantLeaderboard/App.svelte
+++ b/src/TreeTenantLeaderboard/App.svelte
@@ -3,6 +3,7 @@
 <script>
   import { getFormattedNumber } from "../../utils/formatNumber";
   import enLocale from "./../../public/data/locales/en.json";
+  import czLocale from "./../../public/data/locales/cz.json";
   import deLocale from "./../../public/data/locales/de.json";
   import esLocale from "./../../public/data/locales/es.json";
   import frLocale from "./../../public/data/locales/fr.json";
@@ -19,6 +20,7 @@
 
   let language = [];
   language["en"] = enLocale;
+  language["cz"] = czLocale;
   language["de"] = deLocale;
   language["es"] = esLocale;
   language["fr"] = frLocale;