This nickname was adopted due to the fortress-like ambiance of the stadium, symbolizing strength and resilience.

During construction, workers discovered remnants of two large holes, which were previously gun emplacements left by the German army during the World War II occupation of Crete.

[1] Over the years, the stadium has undergone several renovations, most notably in 2004, and in 2018 a match stats display was added to the east side.

While the stadium's official seating capacity is 9,088, there have been occasions when attendance exceeded this number.

The highest recorded attendance at Yedi Kule was 12,391 fans during an OFI match against Olympiakos on September 25, 1988.