diff --git a/CHANGELOG.md b/CHANGELOG.md
index 04b8608..a86b8df 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+## v6.2.0
+
+### Added
+
+- Add `CoordinateSystem::first()` and `CoordinateSystem::last()`
+
 ## v6.1.0
 
 ### Added
diff --git a/composer.lock b/composer.lock
index 4bb0b5d..4b751f8 100644
--- a/composer.lock
+++ b/composer.lock
@@ -6600,22 +6600,22 @@
         },
         {
             "name": "kubawerlos/php-cs-fixer-custom-fixers",
-            "version": "v3.14.0",
+            "version": "v3.15.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/kubawerlos/php-cs-fixer-custom-fixers.git",
-                "reference": "0414fbeada4360510df515b613ccc4055921a3c7"
+                "reference": "82c08eed3cc42dab45241cfd70e99b94cd54ca7e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/kubawerlos/php-cs-fixer-custom-fixers/zipball/0414fbeada4360510df515b613ccc4055921a3c7",
-                "reference": "0414fbeada4360510df515b613ccc4055921a3c7",
+                "url": "https://api.github.com/repos/kubawerlos/php-cs-fixer-custom-fixers/zipball/82c08eed3cc42dab45241cfd70e99b94cd54ca7e",
+                "reference": "82c08eed3cc42dab45241cfd70e99b94cd54ca7e",
                 "shasum": ""
             },
             "require": {
                 "ext-filter": "*",
                 "ext-tokenizer": "*",
-                "friendsofphp/php-cs-fixer": "^3.16.0",
+                "friendsofphp/php-cs-fixer": "^3.19",
                 "php": "^7.4 || ^8.0"
             },
             "require-dev": {
@@ -6640,9 +6640,9 @@
             "description": "A set of custom fixers for PHP CS Fixer",
             "support": {
                 "issues": "https://github.com/kubawerlos/php-cs-fixer-custom-fixers/issues",
-                "source": "https://github.com/kubawerlos/php-cs-fixer-custom-fixers/tree/v3.14.0"
+                "source": "https://github.com/kubawerlos/php-cs-fixer-custom-fixers/tree/v3.15.0"
             },
-            "time": "2023-04-03T20:47:19+00:00"
+            "time": "2023-06-26T21:00:04+00:00"
         },
         {
             "name": "localheinz/diff",
diff --git a/src/CoordinateSystem.php b/src/CoordinateSystem.php
index c298c10..d64e69d 100644
--- a/src/CoordinateSystem.php
+++ b/src/CoordinateSystem.php
@@ -2,6 +2,8 @@
 
 namespace Mll\Microplate;
 
+use Illuminate\Support\Arr;
+
 abstract class CoordinateSystem
 {
     /** @return list<string> */
@@ -74,6 +76,46 @@ public function all(): iterable
         }
     }
 
+    /**
+     * Returns the coordinates of the first row and first column.
+     *
+     * @return Coordinates<$this>
+     */
+    public function first(): Coordinates
+    {
+        $firstRow = Arr::first($this->rows());
+        if (! is_string($firstRow)) {
+            throw new \Exception('First row must be string.');
+        }
+
+        $firstColumn = Arr::first($this->columns());
+        if (! is_int($firstColumn)) {
+            throw new \Exception('First column must be string.');
+        }
+
+        return new Coordinates($firstRow, $firstColumn, $this);
+    }
+
+    /**
+     * Returns the coordinates of the last row and last column.
+     *
+     * @return Coordinates<$this>
+     */
+    public function last(): Coordinates
+    {
+        $lastRow = Arr::last($this->rows());
+        if (! is_string($lastRow)) {
+            throw new \Exception('Last row must be string.');
+        }
+
+        $lastColumn = Arr::last($this->columns());
+        if (! is_int($lastColumn)) {
+            throw new \Exception('Last column must be string.');
+        }
+
+        return new Coordinates($lastRow, $lastColumn, $this);
+    }
+
     public function rowsCount(): int
     {
         return count($this->rows());
diff --git a/tests/Unit/CoordinateSystemTest.php b/tests/Unit/CoordinateSystemTest.php
new file mode 100644
index 0000000..a5254ea
--- /dev/null
+++ b/tests/Unit/CoordinateSystemTest.php
@@ -0,0 +1,32 @@
+<?php declare(strict_types=1);
+
+namespace Mll\Microplate\Tests\Unit;
+
+use Mll\Microplate\CoordinateSystem;
+use Mll\Microplate\CoordinateSystem12Well;
+use Mll\Microplate\CoordinateSystem48Well;
+use Mll\Microplate\CoordinateSystem96Well;
+use PHPUnit\Framework\TestCase;
+
+final class CoordinateSystemTest extends TestCase
+{
+    /** @dataProvider firstLast */
+    public function testFirstLast(CoordinateSystem $coordinateSystem, string $expectedFirst, string $expectedLast): void
+    {
+        $actualFirst = $coordinateSystem->first();
+        self::assertSame($expectedFirst, $actualFirst->toString());
+        self::assertSame($coordinateSystem, $actualFirst->coordinateSystem);
+
+        $actualLast = $coordinateSystem->last();
+        self::assertSame($expectedLast, $actualLast->toString());
+        self::assertSame($coordinateSystem, $actualLast->coordinateSystem);
+    }
+
+    /** @return iterable<array{CoordinateSystem, string, string}> */
+    public static function firstLast(): iterable
+    {
+        yield [new CoordinateSystem12Well(), 'A1', 'C4'];
+        yield [new CoordinateSystem48Well(), 'A1', 'F8'];
+        yield [new CoordinateSystem96Well(), 'A1', 'H12'];
+    }
+}