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. Units: 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 6,636 769 1,439 3,129 1,299 Andalucía 988 93 266 434 195 Aragón 324 91 104 95 34 Asturias, Principado de 163 17 36 76 34 Balears, Illes 146 10 31 85 20 Canarias 185 10 33 80 62 Cantabria 100 9 13 56 22 Castilla y León 523 105 123 216 79 Castilla-La Mancha 565 55 177 288 45 Cataluña 858 49 131 476 202 Comunidad Valenciana 598 100 109 248 141 Extremadura 483 69 192 187 35 Galicia 486 38 64 269 115 Madrid, Comunidad de 566 43 41 305 177 Murcia, Región de 112 6 13 60 33 Navarra, Comunidad Foral de 129 12 29 71 17 País Vasco 318 46 63 137 72 Rioja, La 68 13 12 34 9 Ceuta 15 2 1 8 4 Melilla 9 1 1 4 3 Notes: Source: National Statistics Institute