It is bordered to the north by the state of Tamaulipas, to the south with the municipalities of Doctor Coss and China, Nuevo Leon, to the east with the municipality of Dr. Coss, N.L and the state of Tamaulipas and to the west with the municipalities of General Treviño, Melchor Ocampo and Los Herreras, N.L.
Although presidents Juárez and Buchanan were both in favour of the arrangement, it was never ratified by the U.S. Senate on account of the impending Civil War in the United States.
It is named after Don Melchor Ocampo, who was Foreign Minister during the government of Benito Juárez.
José Antonio Ocampo | Victoria Ocampo | Hueyapan de Ocampo | Melchor Ocampo | Mauricio Cardozo Ocampo | Eddie Ocampo | Tetela de Ocampo | Roseli Ocampo-Friedmann | Melchor de Talamantes | Luis Moreno Ocampo | Louie Ocampo | Juan Jesús Posadas Ocampo | Huasca de Ocampo | Geminiano T. De Ocampo | Fernando H. Ocampo | Diether Ocampo |