For the CityZen-specific megacity and hot spot regions the following lon/lat ranges are suggested:

BeNeLux small (incl. BeNeLux and Ruhr area): 02 deg 30 min E - 08 deg 00 min E 49 deg 20 min N - 53 deg 40 min N

BeNeLux big (incl. BeNeLux small, London and Paris): 01 deg 00 min W - 08 deg 00 min E 48 deg 00 min N - 54 deg 00 min N

Po Valley small (incl. Milano, Turino, Genova): 07 deg 30 min E - 10 deg 30 min E 44 deg 00 min N - 46 deg 00 min N

Po Valley big (incl. Po Valley small, and area to the Adriatic): 07 deg 30 min E - 13 deg 30 min E 44 deg 00 min N - 46 deg 00 min N

Eastern Mediterranean: 22 deg 30 min E - 32 deg 30 min E 30 deg 00 min N - 42 deg 00 min N

Pearl River Delta: 112 deg 00 min E - 115 deg 30 min E 22 deg 00 min N - 24 deg 00 min N