Libraries Statistics Results by Autonomous City and Community Libraries (administrative units) by Autonomous City and Community and average number of weekly hours open to the public. Unidades: number of libraries Libraries (Administrative Units) Up to 10 Over 10 and up to 20 Over 20 and up to 40 More than 40 National total 6.458 729 1.399 2.996 1.334 Andalucía 968 87 256 416 209 Aragón 320 91 93 96 40 Asturias, Principado de 134 17 27 70 20 Balears, Illes 133 10 26 70 27 Canarias 169 10 25 67 67 Cantabria 99 10 14 53 22 Castilla y León 517 99 126 214 78 Castilla-La Mancha 561 47 164 299 51 Cataluña 850 49 127 478 196 Comunidad Valenciana 594 89 113 250 142 Extremadura 481 72 188 183 38 Galicia 476 46 71 248 111 Madrid, Comunidad de 534 35 47 264 188 Murcia, Región de 100 3 10 52 35 Navarra, Comunidad Foral de 129 15 35 62 17 País Vasco 312 36 65 134 77 Rioja, La 62 9 12 32 9 Ceuta 11 2 0 3 6 Melilla 8 2 0 5 1 Notas: Fuente: National Statistics Institute