海爾 (波蘭)

友好城市

• 黑默斯凯尔

參考文獻
外部連結

• [http://hela.com.pl/ "Hela Tavern" - the biggest Hela fan site]
• [https://web.archive.org/web/20071219142638/http://www.channelpilot.info/baltic/hel.php A sailor's guide]
• [https://web.archive.org/web/20100928084409/http://www.battlefieldsww2.com/Gun_Battery_Schleswig_Holstein.html German guns on the Peninsula Hel]