Take the bus 83 (to New Belgrade direction!) and get off at the 4th stop (bus stop “Palace Serbia”). Cross the parking of the Palace Serbia building (ex. SIV building) and then the Park of Friendship, blok 14, (Park Prijateljstva) to the Danube river (5 min walk) next to street lap No. 88.
Or
Walk 5 min from the central bus station to “Zeleni Venac”, through Kamenicka street. From there take the bus 15 or 84 and ride for 3 stops. Get off at Palace Serbia building (ex. ‘SIV’ building) and cross the city Park of Friendship (Park Prijateljstva) to the Danube river (2 min walk) next to street lap No. 88.

FROM THE AIRPORT:

1. Take bus No. 72 from the airport. It’ll take about 35 min, sometimes longer depending on traffic.  Get off at bus stop Palace Serbia building (ex. ‘SIV’ building) and cross the city Park of Friendship (Park Prijateljstva) to the Danube river (5 min walk) next to street lap No. 88.
2. Take the TAXI, but don’t forget to ask the driver for the price before you get in. Taxi drivers can be tricky. The ride to the Usce b.b., Blok 14, Park Prijateljstva takes about 15 min, and the price should not exceed 20€.
3. Take the shuttle bus to the train station and from there take bus No. 83. and ride for 4 stops. Get off at “Palace of Serbia” building and cross the city park “Ušce”.

Or You can walk from train/bus station to Zeleni Venac via Kamenicka street. From there, take bus No. 15 or No. 84 and ride for 3 stops. Get off at “Palace of Serbia” building and Cross the parking of the Palace Serbia building (ex. SIV building) and then the Park of Friendship, Blok 14, (Park Prijateljstva) to the Danube river (5 min walk) next to street lap No. 88.

IF YOU’RE COMING BY CAR:

Belgrade lies at the intersection of E-70 and E-75 motorways. The valid insurance policies are issued by signatory countries of the “Vehicle Insurance Convention”, and citizens of other countries are required to buy an insurance policy on entering Serbia. You cannot miss Belgrade, because motorway runs through the city.

If none of it works for you, try coordinates:
44°49’20.01″ N, 20°25’55.25″ E