The University of Costa Rica (Spanish: Universidad de Costa Rica, abbreviated UCR) is a public university in the Republic of Costa Rica, in Central America. Its main campus, Ciudad Universitaria Rodrigo Facio, is located in San Pedro Montes de Oca, in the province of San José. It is the oldest, largest, and most prestigious institution of higher learning in Costa Rica, originally established as the Universidad de Santo Tomás in 1843. It is also the most important research university in the country, and Central America. Approximately 45,000 students attend UCR throughout the year.