The City of Dasmariñas is about 9,013 hectares. It is 30 kilometers from Metro Manila or the National Capital Region and 27 kilometers South of the center of the City of Manila. It is bounded by the municipalities of Imus and Silang, Cavite at the North and South respectively. At the east, it is bounded by the towns of San Pedro and Biñan, Laguna and Carmona, Cavite. On its westside is General Trias, Cavite and a little further from this boundary is Trece Martires City.

It is strategically located at the intermediate zone of the Metropolitan Manila area. With adequate accessibility, the City of Dasmariñas is within the urbanizing development influence of the Metro Manila area.

The City of Dasmariñas is composed of the Poblacion and the barangays. The Poblacion which is now divided into four zones is on the westernmost section of the city. Sabang, Salawag and Salitran are to the north and to the south are San Agustin, Langkaan and Sampaloc. Burol, Paliparan, and the Resettlement Area are on the eastern side of the city.

The city of Dasmariñas is landlocked. However, it is not too far from the coastal towns of Rosario, Kawit, Bacoor, Noveleta and Cavite City, which is of the same distance from Laguna de Bay and is about 20 kilometers from the Character City of Tagaytay and the famous Taal Lake.

At present, the City of Dasmariñas is served by corridors traversing the central areas which provide linkages to the Metropolitan Manila area in the north and the developing nodes of Laguna and Batangas.