Sanlúcar la Mayor is a

municipality A municipality is usually a single administrative division having corporate status and powers of self-government or jurisdiction as granted by national and regional laws to which it is subordinate. The term ''municipality'' may also mean the go ...

in the

province of Seville The Province of Seville ( es, Sevilla) is a province of southern Spain, in the western part of the autonomous community of Andalusia. It is bordered by the provinces of Málaga, Cádiz in the south, Huelva in the west, Badajoz in the north and C ...

, southern

Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = ''Plus ultra'' (Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , i ...

. The municipality is the location of the

Solucar Complex The Solucar Complex is a complex in Sanlúcar la Mayor, Spain, used primarily for solar power developments. The complex includes: * PS10 Solar Power Plant * PS20 Solar Power Plant * Solnova Solar Power Station Plans PS10 is the first of a ...

. Gaspar de Guzmán, Count of Olivares was created

Duke of Sanlúcar la Mayor Duke of Sanlúcar la Mayor ( es, Duque de Sanlúcar la Mayor) is a hereditary title in the Peerage of Spain, accompanied by the dignity of Grandee and granted in 1625 by Philip IV to Gaspar de Guzmán, 3rd Count of Olivares and royal ''favour ...

by Philip IV. He wished to retain his inherited title and so became known as ''el conde-duque''.

References

Municipalities of the Province of Seville {{Andalusia-geo-stub