By: L. Lee
A town or city close to the boundary between two countries, states or regions.
AFRICA Badme, Eritrea Brazzaville, Republic of the Congo Ceuta, Spain Cocobeach, Gabon Kinshasa, Democratic Republic of the Congo Melilla, Spain Walvis Bay, Namibia (until 1994) Lomé, Togo
AISA Brunei/Malaysia Bukit Lurah, Tutong/Tedungan, Limbang Labu, Temburong/Trusan, Lawas Puni, Temburong/Limbang Sungai Tujoh, Kuala Belait/Sungai Tujoh, Miri China/Hong Kong Huanggang/Lok Ma Chau Luohu/Lo Wu Shatoujiao/Sha Tau Kok Shenzhen, China/New Territories Shenzhen Bay/Deep Bay Wenjindu/Man Kam To
United States/Mexico Douglas, Arizona and Agua Prieta, Sonora Nogales, Arizona and Nogales, Sonora San Luis, Arizona and San Luis Río Colorado, Sonora Calexico, California and Mexicali, Baja California San Diego, California and Tijuana, Baja California Columbus, New Mexico and Puerto Palomas, Chihuahua Brownsville, Texas and Matamoros, Tamaulipas Del Rio, Texas and Ciudad Acuña, Coahuila Eagle Pass, Texas and Piedras Negras, Coahuila El Paso, Texas and Ciudad Juárez, Chihuahua Laredo, Texas and Nuevo Laredo, Tamaulipas Hidalgo, Texas and Reynosa, Tamaulipas