Surabaya: what to see and where to eat
Everything below comes from open data and each row says where it came from. We have not been to any of these places and we do not rank them.
Things to see

Surabaya Zoo
zoo in Surabaya, Indonesia

Heroes Monument
Monument in Surabaya, Indonesia

Church of the Birth of Our Lady, Surabaya
church in Surabaya, Indonesia
Jalesveva Jayamahe Monument
public statue

Bank Indonesia Museum, Surabaya
Museum in Surabaya, East Java, Indonesia

Softwarestatistik / CC BY-SA 4.0
Graha Bethany Nginden
church in Surabaya, Indonesia

consigliere ivan from Bontang, Indonesia / CC BY-SA 2.0
House of Sampoerna
tobacco museum in Surabaya, Indonesia

Submarine Monument Surabaya
museum in Indonesia
Giri Sunanate
former sunanate in Java island
Gredja Boen Bio
Confucius temple in Surabaya, Indonesia
Korean Friendship Park
Ciputra Waterpark
waterpark in Surabaya, East Java, Indonesia
Places to eat
Sama Koffie
Food: coffee shop
Beautika Restoran Khas Manado
Food: indonesian
Calibre
Food: savory pancakes, tea, cake, pasta, pancake, sandwich, breakfast, international, coffee shop
Lentora
Food: indonesian, local
Sadang Korean BBQ
Food: korean
Boncafe Steak & Ice Cream
Food: steak house, fish, burger, breakfast, ice cream, coffee shop
Depot 20
Food: indonesian
Depot Acu Aling
Food: noodles, breakfast, coffee shop
Depot Ko San - Perhimpunan Xiang Qi Pasar Atom
Food: coffee shop
Depot Murah Meriah
Food: chicken, noodles
Holycow! Steakhouse by Chef Afit
Food: steak house, american
Kafeku
Food: coffee shop
Kedai Kopi Simple
Food: coffee shop
Lamongan Indah
Food: regional
Le Cafe Gourmand
Food: sandwich, breakfast, ice cream, cake, coffee shop
Mokha Eatery
Food: burger, cake, fish, kebab, coffee shop, arab
Nasgor Mak Pasar Sore Pandegiling
Food: noodle
Noach Cafe & Bistro
Food: sandwich, tea, cake, coffee shop, asian, american, pasta, pizza
Opening hours and tickets: OpenStreetMap contributors. Each one shows the day a volunteer last wrote it down, so check the official site before you set out.