Siena is divided into seventeen contrade: Aquila (eagle), Bruco (caterpillar), Chiocciola (snail), Civetta (owl), Drago (dragon), Giraffa (giraffe), Istrice (porcupine), Leocorno (unicorn), Lupa (she-wolf), Nicchio (seashell), Oca (goose), Onda (wave), Pantera (panther), Selva (forest), Tartuca (tortoise), Torre (tower) e Valdimontone (valley of the ram).