We had our picnic near the capital of this new nation, which used to be the eastern part of Czechoslovakia..

Slovakia

Sra

That part is called Slovakia now. The capital is Bratislava.

The capital of the new nation you are referring to is Bratislava. Bratislava is the capital and largest city of Slovakia, which was part of Czechoslovakia before it peacefully dissolved into two separate countries, Slovakia and the Czech Republic, in 1993.

To find the answer to this question, you can use different methods:

1. General knowledge: If you have a good understanding of world geography and history, you may already know that the eastern part of Czechoslovakia became Slovakia, and its capital is Bratislava.

2. Online search: You can use search engines like Google to search for "capital of eastern Czechoslovakia." The search results will likely provide you with the answer, confirming that it is Bratislava.

3. Maps and atlases: If you have access to a reliable map or atlas, you can locate the eastern part of Czechoslovakia and find the capital city labeled as Bratislava.

Remember that utilizing multiple sources is always a good practice to ensure accurate information.