Soria, a Spanish electoral district representing the province of Soria in the Congress of Deputies, uses proportional representation with a three-percent threshold. Historically and culturally, it has been examined by authors like T. M. Hughes, who highlighted its ancient Numantian ruins, and Robert Southey, who described its role in the Peninsular War.
Honoré de Balzac mentioned Soria in a romantic context, while Wentworth Webster emphasized its rugged landscape. These viewpoints connect Soria’s political role with its historical and geographical importance, illustrating its complex identity in Spanish history and literature.