One thing: there is

There is tells us that one thing is in a place. The short form is there's.

There is + a / an + one thing + place

• There is a bed in the bedroom.
• There is a table in the living room.
• There's a bus stop near the park.

More than one: there are

There are tells us that two or more things are in a place. The noun is plural: chairs, beds, shops.

There are + two / three / some + things + place

• There are two sofas in the living room.
• There are five shops near the bus stop.
• There are some books on the bed.

The verb changes: is for one thing, are for two or more.