This is the 2543rd most frequent Turkish word.
ordu
"Ordu" means "army" in English.
Here, 'ordu' is used as a proper noun representing the name of a city in Turkey.
Ordu şehrine gitmeyi planlıyoruz.
We plan to go to the city of Ordu.
In this sentence, 'ordu' refers to the armed forces or military.
Ordu, sınırdaki köyleri korumak için harekete geçti.
The army took action to protect the villages at the border.
Here, 'ordu' is used metaphorically to describe a large and organized group.