So 1kg= 32.15 oz
Greece has 114tons - current price of Gold is 1905$t/oz
1905 X 32.15= 61245.75$ per kg
we have to change the number from tones to kg so 114 tons are 114.000 kg.
114.000 X 61245.75 = 6.982.015.500$ value of Gold as regards my country through the tradingeconomics. I hope that I am right 
The Netherlands holds 612 tonnes of gold.
1 tonnes of gold = 46,5 million US dollar
612 * 46,5 = 28.458 million US dollar
The amount in tonnes of Gold in France is:
2436
The price in USD ($) of a tonne of Gold at the 01 June 2021 is:
$61.33 Million
The total value of Gold in USD ($) of the France is:
149 399 880 000 $
1.45 ton = 1324,49 kilo x $60,20 (kilo price) = $79.734,30
8133 Total USD $520,512,000,000.00
Spain 282 tn / 60.122 USD per kg = 16,954,404,000 USD
1 tone = 35,273.962 ounces
price per ounce $1,894
U.S. 8,133 tones x 35,273.962 x 1,894= $543,356,653,799.7
In the USA there is 8133 priced @ $1892 is $15,387,636 or 408.2467367 BTC
Brazil --> 67.36 ton --> $4.09 Billion.
It shows United States had 8133 tonnes of gold in reserve as of Dec. 2020. The closing price of gold at Dec. 31, 2020 was $1893.66 per oz.
There are 35273.9619 ounces in one tonne. Therefore:
$1,893.66 x (35273.9619 x 8133) = $543,259,111,994.4087
Total number of gold reserve in tonnes: 8133
Total value of USD of such at 31Dec20 close: $543,259,111,994.4087
Canada holds zero gold in its reserves.
The price of gold is $60,826 as of the time of writing (05/06/2021)
1kg of Gold = $60,826
1t = 1000kg
1000kg of Gold = 60,826 x 1000 = $60,825,000
1t of gold = $60,825,000
UK has 310 tonnes of Gold
310t of Gold = $60,825,000 x 310 = $18,855,750,000
($18.8B)
3.17 tonnes of gold -> 60804.7810003.17 = 192751152.6 $
UK gold reserves 310 tonnes at today’s price of $1,890.85 per troy ounce=$18,845,742,688
sweden; 126 tonnes
1ton(USD) 55,213,667
= (USD) 6,956,922,042
mkt price of June 5,2021
Thanks to this lesson I found that Croatia sold all its gold. 
Here in Brazil we have 67.36 ton of gold.
1000kg of Gold = 60,826 x 1000 = $60,825,000
1t of gold = $60,825,000
67.36t x $60,825,000 = 4B
South Africa
125 tons
3200 ounces per ton
$1896 per ounce
Total = 758 400 000
8133 tonnes
approximately $514 Billion
Japan has 846 tons of gold.
The value is $51,250,000,000
($1886.02/ounce-Current price of gold, 2021/June9)