Segovia (Spanish pronunciation: [seˈɣoβja] ) is a province of central/northern Spain, in the southern part of the autonomous community of Castile and León. It is bordered by the province of Burgos in the north, Soria in the northeast, Guadalajara in the east, Madrid in the south, Ávila in the west and southwest, and Valladolid in the northwest. The average temperature ranges from 10 °C to 20 °C.
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The province of Burgos is a province of northern Spain, in the northeastern part of the autonomous community of Castile and León. It is bordered by the provinces of Palencia, Cantabria, Vizcaya, Álava, La Rioja, Soria, Segovia, and Valladolid. Burgos is the province of Spain that has borders with most provinces. Its capital is the city of Burgos.
The Cartularies of Valpuesta from the monastery Santa María de Valpuesta, in Burgos, are considered to be the oldest known documents containing words written in the Spanish language.
Valladolid (Spanish: [baʎaðoˈlið] ) is a province of northwest Spain, in the central part of the autonomous community of Castile and León. It has a population of 525,398 across a total of 225 municipalities, an area of 8,110 km (3,130 sq mi), meaning a population density of 64.77 people per km.
The capital is the city of Valladolid. It is bordered by the provinces of Zamora, León, Palencia, Burgos, Segovia, Ávila, and Salamanca. It is the only Spanish province surrounded entirely by other provinces of the same autonomous community. It is the only peninsular province which has no mountains.
Old Castile (Spanish: Castilla la Vieja [kasˈtiʎa la ˈβjexa]) is a historic region of Spain, which had different definitions across the centuries. Its extension was formally defined in the 1833 territorial division of Spain as the sum of the following provinces: Santander (now Cantabria), Burgos, Logroño (now La Rioja), Soria, Segovia, Ávila, Valladolid and Palencia. As the rest of regions in that division, Old Castile never had any special administrative agency; only the individual provinces had their own management.
The name Old Castile reflects the fact that this territory corresponds very roughly to the extension of the Kingdom of Castile around the 11th century, before it expanded to the south. This kingdom had its origins in the 9th century in an area now comprising Cantabria, Álava, and Burgos province.