Hong Kong’s Immigration Department is a governmental body and disciplined service, headquartered at 61 Po Yap Road, Tseung Kwan O, New Territories. Its primary mission is to exercise effective immigration control, facilitate genuine travellers, and safeguard national security. Key activities include managing border control, issuing identity cards and HKSAR passports, handling nationality matters, and providing civil registration services for births, deaths, and marriages. The department also combats immigration-related crimes and offers assistance to Hong Kong residents abroad. It is significant for its role in maintaining the region’s security and prosperity.