noun
place, square, seat
A1
Platz: means 'place' (location), 'square' (urban plaza) and 'seat' (a chair/place to sit). Masculine noun (der Platz). Plural die Plätze; genitive des Platzes. Note different senses: 'Platz haben' means to have room; 'Platz nehmen' also means to take a seat.
Examples
Bitte nimm deinen Platz ein.
Please take your seat.
Ist dieser Platz noch frei?
Is this seat still available?
Die Kinder spielten auf dem Platz, obwohl der Himmel bedrohlich war und die Eltern Bescheid sagten.
The children played in the square even though the sky was threatening and the parents warned them.
Details
Mnemonics
imagine a town square (Platz) with people sitting
platz ~ 'place' (both P words)
der -> imagine a male statue in the square (masculine)
Notes
Platz has multiple meanings (square, room/space, seat). Context determines translation.