Belgium and Luxembourg both use the euro, which has the same value in all euro-zone countries.

The Algarve should be booming because, compared to other euro-zone countries, Portugal is relatively cheap.

If the euro-zone countries were willing to make the loans completely interest-free, a huge step, Greece would save just €2.5 billion in 2012.

Commemorative coins are legal tender only in their country of issue, unlike normal circulation coins, which are accepted in all euro-zone countries.

But on Wednesday night, Germany held out against a French call to convene a last-minute mini-summit of euro-zone countries.

In euro-zone countries, stores are required to accept the old money and provide change in euros.

"People are coming to Sweden because it is relatively cheaper than other euro-zone countries," Mr. Hoogs said.

The second question I would like to ask you is this: what is really happening with transfers between euro-zone countries?

When will stop paying transfer costs within the euro zone, between euro-zone countries?

Another amendment, which was largely incorporated in the final report, concerned the conversion free of charge into euros of the coins of another euro-zone country.