Did you know in Okinawa islands they speak a different Japanese influenced by the Okinawan language? For example, they use ハイサイ (haisai) instead of こんにちは (konnichiwa) to say hello or めんそーれ (menso-re) instead of いらしゃいませ (irashaimase) to welcome you to a shop.
You can find a lot more of words used in Okinawa in our list of Okinawa words.
Have you ever wondered what it feels like traveling to Tokyo and Okinawa? Check this video to see!