yes
Agora
hilly
Parts of Australia's deserts are flat and others are hilly.
Flat
flat
The Amazon starts in extreme mountains and canyons and moves down through broad plains. The Amazon basin is huge and has a great variety of geography.
Many of the area frequented by tornadoes are flat. But there are a number of tornado prone areas that are hilly.
flat in the north (near the sea) to mountained in the south (part of the Alps)
Yes, Haiti's terrain is generally characterized by mountainous and hilly landscapes. The country is marked by rugged terrain, with steep slopes and valleys throughout.
Flat
The Vatican is pretty much flat. However, the city of Rome does have hills.
There is a lot of quite flat land in the centre of Ireland, but there are lots of mountains around Ireland too, so it is both smooth and hilly.