Chillán It is the capital city of the Ñuble Region in the Diguillín Province of Chile located about 400 km south of the country's capital, Santiago, near the geographical center of the country. It is the capital of the new Ñuble Region since 6 September 2015. Within the city are a railway station, an inter-city bus terminal, an agricultural extension of the University of Concepción, and a regimental military base. The city includes a modern-style enclosed shopping mall in addition to the multi-block open-air street market where fruits, vegetables, crafts and clothing are sold. The nearby mountains are a popular skiing destination.