ekimae no panya no korokkepan wa ninki ga aru node, hiru ni wa urikirerukoto ga arimasu.

The croquette buns at the bakery in front of the station are popular, so they sometimes sell out by noon.

Breakdown of ekimae no panya no korokkepan wa ninki ga aru node, hiru ni wa urikirerukoto ga arimasu.

• は: topic particle
• が: subject particle
• の: possessive case particle
• に: time particle

Questions & Answers about ekimae no panya no korokkepan wa ninki ga aru node, hiru ni wa urikirerukoto ga arimasu.

Why are there two の particles in 駅前のパン屋のコロッケパン?

Both の link nouns together.

• 駅前のパン屋 = the bakery in front of the station / the bakery by the station
• パン屋のコロッケパン = the bakery’s croquette bread / the croquette bread from that bakery

So the whole phrase means something like:

• the croquette bread from the bakery in front of the station

Japanese often stacks noun modifiers like this, with the main noun coming at the end. Here, the main noun is コロッケパン.

What exactly does 駅前 mean?

駅前 literally means in front of the station or more naturally the area around the station.

It is a common compound noun:

• 駅 = station
• 前 = front / before

So 駅前のパン屋 is not necessarily a bakery physically right at the station entrance. It usually means a bakery near the station / in the station-front area.

Why is コロッケパン followed by は?

は marks the topic of the sentence.

So in:

• 駅前のパン屋のコロッケパンは...

the sentence is talking about the croquette bread from the bakery by the station.

A natural way to understand it is:

• As for the croquette bread from the bakery by the station, ...

Everything after that gives information about that topic: it is popular, and because of that, it sometimes sells out by noon.