Is the same as the difference between middle and center
Relative to the rest of Spain, Madrid is in the center.
Western Ukraine.
Italy became the center of trade in Europe due to its strategic location in the Mediterranean Sea. Its various city-states, such as Venice, Florence, and Genoa, thrived on trade throughout the Middle Ages and the Renaissance, facilitating commerce between Europe, Asia, and Africa. This advantageous position enabled Italy to become a hub for cultural exchange and economic activity during this period.
hitler
Germany
It was a trade center conveniently located between Asia and Europe.
Switzerland and also Liechtenstein.
中国 [zhōng guó] middle - 中; country - 国
It was a trade center conveniently located between Asia and Europe.
Since the earth is round, you can look at it from any angle and therefore we cannot establish a true middle country. However, China claimed to be the middle country, hence its Chinese name, "Zhong Guo", meaning "Middle Kingdom" or "Middle Country".
Poland was the center of attraction at Yalta because it was the largest country in Eastern Europe.