diff --git a/swift/130-Surrounded-Regions.swift b/swift/130-Surrounded-Regions.swift
new file mode 100644
index 000000000..876b9ccec
--- /dev/null
+++ b/swift/130-Surrounded-Regions.swift
@@ -0,0 +1,48 @@
+class Solution {
+    func solve(_ board: inout [[Character]]) {
+        var rows = board.count
+        var columns = board[0].count
+        
+        // 1. DFS Capture unsurrounded regions (O -> T)
+        for r in 0..<rows {
+            for c in 0..<columns {
+                if board[r][c] == "O" &&
+                    ([0, rows - 1].contains(r) || [0, columns - 1].contains(c)) {
+                    capture(r, c, &board)
+                }
+            }
+        }
+        
+        // 2. Capture surrounded regions (O -> X)
+        for r in 0..<rows {
+            for c in 0..<columns {
+                if board[r][c] == "O" {
+                    board[r][c] = Character("X")
+                }
+            }
+        }
+        
+        // 3. Uncapture surrounded regions (T -> O)
+        for r in 0..<rows {
+            for c in 0..<columns {
+                if board[r][c] == "T" {
+                    board[r][c] = Character("O")
+                }
+            }
+        }
+    }
+    
+    func capture(_ r: Int, _ c: Int, _ board: inout [[Character]]) {
+        // Make sure r and c are in bounds
+        guard r >= 0, r < board.count, c >= 0, c < board[0].count, board[r][c] == "O" else {
+            return
+        }
+        
+        board[r][c] = Character("T")
+
+        capture(r - 1, c, &board)
+        capture(r + 1, c, &board)
+        capture(r, c - 1, &board)
+        capture(r, c + 1, &board)
+    }
+}
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