Indonesian culture — world largest archipelago, 17,508 islands, 300+ ethnic groups, 700+ languages. Bhinneka Tunggal Ika (Unity in Diversity).
Language
Indonesian official (from Malay). 700+ regional languages — Javanese, Sundanese, Madurese, Balinese. Indonesian easiest Asian language to learn.
Religion
Islam (87%, world largest), Christianity (10%), Hinduism (Bali), Buddhism, Confucianism. Pancasila — religious tolerance state foundation.
Art and Music
Wayang kulit (UNESCO), batik (UNESCO), gamelan, angklung (UNESCO). Balinese dance — UNESCO. Painters Affandi, Raden Saleh.
Cuisine
Nasi goreng, rendang (CNN: world tastiest), satay, gado-gado, soto, bakso, mie goreng. Spices silk route. Indonesian coffee — Sumatra, Java, Bali.
Wayang and Traditions
Wayang kulit (Java) — UNESCO. Borobudur Buddhist, Prambanan Hindu, Istiqlal mosque largest SE Asia. Thousand-year-old ceremonies.
Bali
Unique Hindu island — Kecak dance, Legong. Galungan ceremonies, Nyepi (Day of Silence — 24h no activity). Subak — UNESCO irrigation system.
Modern Culture
Cinema — Joko Anwar. Dangdut mass music. ASEAN sports, SEA Games. Jakarta — modern city; Bali — tourism island.