diff --git a/spec/loophp/Tin/CountryHandler/CzeckRepublicSpec.php b/spec/loophp/Tin/CountryHandler/CzechRepublicSpec.php
similarity index 91%
rename from spec/loophp/Tin/CountryHandler/CzeckRepublicSpec.php
rename to spec/loophp/Tin/CountryHandler/CzechRepublicSpec.php
index f5ef663..cd5d93a 100644
--- a/spec/loophp/Tin/CountryHandler/CzeckRepublicSpec.php
+++ b/spec/loophp/Tin/CountryHandler/CzechRepublicSpec.php
@@ -6,7 +6,7 @@
 
 use tests\loophp\Tin\AbstractAlgorithmSpec;
 
-class CzeckRepublicSpec extends AbstractAlgorithmSpec
+class CzechRepublicSpec extends AbstractAlgorithmSpec
 {
     public const INVALID_NUMBER_DATE = ['901549/0006', '902149/0003'];
 
diff --git a/src/CountryHandler/CzeckRepublic.php b/src/CountryHandler/CzechRepublic.php
similarity index 97%
rename from src/CountryHandler/CzeckRepublic.php
rename to src/CountryHandler/CzechRepublic.php
index a152a34..c52ca9a 100644
--- a/src/CountryHandler/CzeckRepublic.php
+++ b/src/CountryHandler/CzechRepublic.php
@@ -12,12 +12,12 @@
  *
  * Source: https://github.com/czechphp/national-identification-number-validator
  */
-final class CzeckRepublic extends CountryHandler
+final class CzechRepublic extends CountryHandler
 {
     /**
      * @var string
      */
-    public const COUNTRYCODE = 'CY';
+    public const COUNTRYCODE = 'CZ';
 
     /**
      * @var int
diff --git a/src/TIN.php b/src/TIN.php
index 1c3f963..5c465b7 100644
--- a/src/TIN.php
+++ b/src/TIN.php
@@ -10,7 +10,7 @@
 use loophp\Tin\CountryHandler\CountryHandlerInterface;
 use loophp\Tin\CountryHandler\Croatia;
 use loophp\Tin\CountryHandler\Cyprus;
-use loophp\Tin\CountryHandler\CzeckRepublic;
+use loophp\Tin\CountryHandler\CzechRepublic;
 use loophp\Tin\CountryHandler\Denmark;
 use loophp\Tin\CountryHandler\Estonia;
 use loophp\Tin\CountryHandler\Finland;
@@ -48,7 +48,7 @@ final class TIN
         'BE' => Belgium::class,
         'BG' => Bulgaria::class,
         'CY' => Cyprus::class,
-        'CZ' => CzeckRepublic::class,
+        'CZ' => CzechRepublic::class,
         'DE' => Germany::class,
         'DK' => Denmark::class,
         'EE' => Estonia::class,