So this time let me start with....
Where to stay ?
If you are young explorer Monk Bunk Hostel is really best Tallinn number 1 party hostel, I have stayed there every time I go there.
What to eat ?
If you are going to tallinn, Kompressor ( everyone will recommend) the best pancakes I ever ate.
Parties?
Join the pub crawl at the place of Monk Bunk (anyone can join ) or if you want any other option just go to Hollywood club ( awesome music)
Look around?
The church and the palaces ( the old town) is mesmerizing.
Rainbow travelers (lgbtq) the hangout stop for you guys is X-baar. Tallinn is 💗
How to reach?
Take a bus from saint Petersburg,Russia or the Skyscanner if you are flying from your place .
Tallinn was ruled by ussr and Germans for long term but being neighbor of russia it's easier for you if speak Russian but mostly people speak English also.