There are a few different ways to ask where something is, or how to get to your destination.
How to ask
Where is the movie theatre?
えいがかんはどこですか。
e i ga ka n wa do ko de su ka
- えいがかん：movie theatre
- は：subject marking particle (no meaning)
- どこ：where
- です：is
- か：?
Is there a toilet around here?
このへんにトイレがありますか。
ko no he n ni to i re ga a ri ma su ka
- このへん：around here
- に：at
- トイレ：toilet
- が：subject marking particle (no meaning)
- あります：exist, there is
- か：?
I want to go to the post office.
ゆうびんきょくに行きたいんですが。
yu u bi n kyo ku ni i ki ta i n de su ga
- ゆうびんきょく：post office
- に：to
- 行き（い・き）：stem form of 行く, to go
- たい：want to
- んですが：no meaning
がんばる子
んですが is often used in a conversation when you want to say where you want to go.
How to respond
The movie theatre is in front of the station.
えいがかんは駅の前にあります。
e i ga ka n wa e ki no ma e ni a ri ma su
- えいがかん：movie theatre
- は：subject marking particle (no meaning)
- 駅（えき）：station
- の前に：in front of
- あります：exist, is
The bakery is on the left-hand side.
左がわにパン屋があります。
hi da ri ga wa ni pa n ya ga a ri ma su
- 左がわ（ひだり・がわ）：left side
- に：on
- パン屋（パン・や）：bakery
- が：subject marking particle (no meaning)
- あります：exist, is