Here are some of the available accomodations in Valladolid. A map of their situation can be accessed here.

University Residences

Colegio Mayor Santa Cruz Website	6 rooms (individual or double). Individual room: 55 euros Double room: 68.09 euros 1 VIP room.
Residencia Reyes Católicos Website	Single room: 42.80 euros Double room: 64 euros

Hotels

AC Palacio de Santa Ana Website	Individual room: 70-150 euros Double room: 70-150 euros Suite: 144 euros Address: C/ Santa Ana, s/n. Arroyo de la Encomienda (Valladolid)
Hotel Atrio Website	Individual room: 60-68 euros Double room: 60-110 euros Suite: 120 euros Address: C/ Núñez de Arce, 5
Hotel Olid Meliá Website	Individual room: 97 euros Double room: 123 euros Address: Pz San Miguel, 5
Hotel Amadeus Website	Individual room: 54-90 euros Double room: 63-108 euros Address: C/ Montero Calvo, 18
Hotel NH Ciudad de Valladolid Website	Rooms from 70 euros Address: Av Ramón Pradera, 10-12
Hotel Catedral Website	Individual room: 50-80 euros Double room: 58-100 euros Address: C/ Núñez de Arce, 11
Hotel Mozart Website	Individual room: 45-70 euros Double room: 60-110 euros Address: C/ Menéndez Pelayo, 7