I was born and raised in Chigasaki, whereich is famous as a surfing town in Japan. I was born and raised in Chigasaki, which is famous as a surfing town in Japan.

I was born and raised in Chigasaki whereich is famous as a surfing town in Japan. I was born and raised in Chigasaki which is famous as a surfing town in Japan.

I was born and raised in Chigasaki whereich is famous as a surfing town in Japan. I was born and raised in Chigasaki which is famous as a surfing town in Japan.

I used to play surfing when I was a teenager, but since I saw JAWS, I quit surfing. I used to surf when I was a teenager, but since I saw JAWS, I quit surfing.

I used to play surfing when I was teenager, but since I saw JAWS, I quit surfing. I used to surf when I was teenager, but since I saw JAWS, I quit surfing.

Grammatically correct, but I would recommend something more natural sounding, like: "but after seeing the film 'JAWS', I quit surfing." or "but I quit surfing after seeing JAWS" For whatever reason, it's more natural to use the continuous form of the verb after the word "after": "after eating", "after seeing", "after walking"

I used to playgo surfing when I was teenager, but since I saw JAWS, I quit surfing. I used to go surfing when I was teenager, but since I saw JAWS, I quit surfing.

However, I've been thinkconsidering moving to mova place where is nearbyI can surf close to my office. However, I've been considering moving to a place where I can surf close to my office.

However, I've been thinking to move somewhere that is nearby my office. However, I've been thinking to move somewhere that is nearby my office.

This sentence is a bit confusing and lacking information that connects to the previous sentences. "I've been thinking" means that this is in the future. But the rest of the story is about the past.

However, I've been thinking to move about moving somewhere is nearby my office. However, I've been thinking about moving somewhere nearby my office.

"thinking to" is not really used, "planning to" is, but also implies more certainty than "thinking". In a casual conversation, people wouldn't find it that wrong but in writing it doesn't.