ZZH

ZZH is an abbreviation for:

Zhang Zhung in Tibet, see Shangshung
Županija Zapadnohercegovačka in Bosnia-Herzegovina, see Canton West-Herzegovina
Zuzenhausen in Germany according to the UN / LOCODE
a license plate for a test vehicle in Belgium, see system of license plates (Belgium) #Test vehicles: cars and trucks: rectangular license plates

Zzh stands for: