gongyong jubangeun raunji ane isseoyo.

공용 means shared, common, or for public use. So 공용 주방 is a shared kitchen or common kitchen.

• 공용 = shared/common use
• 주방 = kitchen

This is a very common way to describe facilities in places like dorms, guesthouses, or office buildings.

The -은 is the topic marker. It marks 주방 as the thing the sentence is talking about.

So 공용 주방은 라운지 안에 있어요 has the feeling of:

• As for the shared kitchen, it is inside the lounge.

In English, we often do not mark topics this clearly, but Korean does.

A useful comparison:

• 공용 주방은 라운지 안에 있어요.
  As for the shared kitchen, it is inside the lounge.
• 공용 주방이 라운지 안에 있어요.
  The shared kitchen is inside the lounge.

Both can work, but 은/는 often sounds more like you are introducing or discussing the kitchen as the topic, while 이/가 can sound more like you are identifying or emphasizing what is there.

Both are forms of the same topic marker:

• -은 after a consonant
• -는 after a vowel

Since 주방 ends in the consonant sound ㅇ, it takes -은:

• 주방 + 은 → 주방은

If the noun ended in a vowel, you would use -는 instead.

안에 means inside or in the inside of.

It is made from:

• 안 = inside
• -에 = location particle, roughly in/at

So:

• 라운지 = lounge
• 라운지 안에 = inside the lounge

This is more specific than just saying 라운지에, because it emphasizes that something is physically located inside that space.

Yes, you often can.

• 라운지에 있어요 = it is in / at the lounge
• 라운지 안에 있어요 = it is inside the lounge

The version with 안에 is more explicit and precise. It is especially natural if you are describing the layout of a building and want to make clear that the kitchen is located within the lounge area.

있어요 comes from 있다, which means to exist, to be somewhere, or to be located.

In this sentence, it means:

• is located
• is there

So the structure is basically:

• 공용 주방은 = as for the shared kitchen
• 라운지 안에 = inside the lounge
• 있어요 = is located / exists

Korean often uses 있다 where English uses is for location.

Korean word order is different from English. A very literal breakdown is:

• 공용 주방은 = shared kitchen + topic
• 라운지 안에 = inside the lounge
• 있어요 = exists / is located

So the literal order is something like:

• The shared kitchen, inside the lounge, is located.

Korean usually puts the verb at the end of the sentence.

있어요 is polite standard speech, which is very common in everyday Korean.

Related forms:

• 있어 = casual
• 있어요 = polite
• 있습니다 = formal

So you might hear:

• 공용 주방은 라운지 안에 있어.
  casual
• 공용 주방은 라운지 안에 있어요.
  polite everyday speech
• 공용 주방은 라운지 안에 있습니다.
  more formal, such as in announcements or written information

Korean often leaves out pronouns when the meaning is already clear from context.

In English, we would naturally say It is inside the lounge. In Korean, once 공용 주방은 is given as the topic, there is no need to add a separate word for it.

This is very normal in Korean. The sentence is complete without an explicit pronoun.

라운지 is a loanword from English lounge.

It is pronounced roughly like:

• ra-un-ji

Many modern Korean words for places and facilities are loanwords, especially in hotels, apartments, offices, and public spaces.

So in this sentence:

• 공용 주방 is native/Sino-Korean vocabulary
• 라운지 is a loanword from English