Trasmiera

Hazas de Cesto is a municipality located in the autonomous community of Cantabria, Spain. According to the 2007 census, the city has a population of 1,285 inhabitants. Its capital is Beranga.

Solórzano is a municipality in Cantabria, Spain.

The La Garma cave complex is a parietal art-bearing paleoanthropological cave system in Cantabria, Spain. It is located just north of the village of Omoño, part of the municipality of Ribamontán al Monte. The cave complex is noted for one of the best preserved floors from the Paleolithic containing more than 4,000 fossils and more than 500 graphical units. It is part of the Cave of Altamira and Paleolithic Cave Art of Northern Spain World Heritage Site.

Entrambasaguas is a small municipality located in the autonomous community of Cantabria, Spain, 25 km south of the Bay of Santander. It is moderately mountainous, and the origin of the Aguanaz River, which once drove 23 watermills and merges with the Miera River. Limestone caves with Paleolithic rock art and burial sites from the Bronze Age exist. Iron was mined here from prehistoric times, used in the Royal Artillery Factory of La Cavada, which supplied the Armada, and eventually brought some wealth during the Renaissance. First mentioned in 1210, this rural area of Green Spain consists of six towns an area of 43.2 square km, totaling about 5,000 inhabitants as of 2015, having nearly doubled since 2005.

Ribamontán al Mar is a municipality in Cantabria, Spain.

Club de Fútbol Ribamontán al Mar is a football team based in Galizano, Ribamontán al Mar in the autonomous community of Cantabria. Founded in 1971, the team plays in Tercera División – Group 3. The club's home ground is Baceñuela, which has a capacity of 3,000 spectators.

Bárcena de Cicero is a municipality located in the autonomous community of Cantabria, Spain. According to the 2007 census, the city has a population of 2.546 inhabitants. Its capital is Gama.

Escalante is a municipality located in the autonomous community of Cantabria, Spain. According to the 2007 census, the city has a population of 749 inhabitants.

Matienzo is the name of a village and a karst depression some 25 km southeast of Santander in Ruesga municipality, Cantabria, northern Spain. The limestone around Matienzo is riddled with caves (up to 58.6 km in length) which have been extensively explored over the last 50 years by Spanish and British cavers. As of December 2016 the total length of cave passage explored, was 377 km.

Riotuerto (Rutuertu in Cantabrian) is one of the municipalities of Cantabria, lying between the North Coast of the Cantábrican Sea and the mountains of the Cantabrian Sierra. It is part of the ancient merindad (shire) of Trasmiera. The centre of Riotuerto is La Cavada, once the home of the famed Royal Artillery Factory and now the site of the Town Hall, library and cannon museum. Other barrios include Barrio de Arriba, Lombana, Monte and Angustina.

Ceceñas is a community in Cantabria, Spain. It is located 1.8 kilometres (1.1 mi) from Valdecilla and 19.6 kilometres (12.2 mi) from Santander. Ceceñas is the birthplace of the architect Jerónimo de la Gándara (1825-1877).

The Royal Artillery Factory of La Cavada (Spanish: Real Fábrica de Artillería de La Cavada) was an artillery foundry at La Cavada (Riotuerto) in Cantabria, Northern Spain. The foundry was established in 1622 by Jean Curtius with the support of Gaspar de Guzmán, Count-Duke of Olivares and became fully operational 15 years later. Between 1637 and 1835 the facility was responsible for the production of more than 26,000 cannons for ships and fortresses throughout the Spanish Empire. It closed after the defeat of the Spanish at the Battle of Trafalgar.