Tamaulipas is a state in the northeast of Mexico.
Tamaulipas borders on the Mexican states of Veracruz to the south, San Luis Potosí to the southwest, and Nuevo León to the west. To the east Tamaulipas fronts the Gulf of Mexico; to the north Tamaulipas borders Texas, USA. According to the 2000 census, Tamaulipas had a population of some 2,750,000 people.
The state is subdivided into 43 municipalities.
The first permanent Spanish settlement in the area was Tampico in 1554.
What is now Tamaulipas was first incorporated as a separate province of New Spain in 1746 with the name Nuevo Santander.