4th heavy artillery regiment
Raised as mixed artillery regiment on 27.05.1917 at Kavala with the following composition:
1st – 75mm QF Krupp Greek field artillery position battery (4 guns) raised by 10th Belomorska Division on 06.12.1916 2nd – 75mm QF Krupp Greek field artillery position battery (4 guns) raised by 10th Belomorska Division on 06.12.1916 3rd – 75mm QF Krupp Greek field artillery position battery (4 guns) raised by 10th Belomorska Division on 06.12.1916 4th – 75mm QF Krupp Greek field artillery position battery (4 guns) raised by 10th Belomorska Division on 06.12.1916 5th – 75mm QF Schneider Serbian field artillery position battery (6 guns), raised by 10th Belomorska Division on 28.03.1917 1st – 10.5cm L/35 not QF Greek position battery (4 guns) raised by 10th Belomorska Division on 06.12.1916 2nd – 10.5cm L/35 not QF battery (4 guns) raised by Shumenski fortress artillery regiment on 06.12.1916
1st – 12cm L/25 not QF Greek position battery (4 guns) raised by 10th Belomorska Division 2nd – 15cm L/30 not QF battery (2 guns) raised by 10th Belomorska Division 3rd – 15cm L/30 not QF battery (2 guns) raised by 10th Belomorska Division on 06.12.1916 4th – 15cm L/30 not QF battery (2 guns) raised by 10th Belomorska Division 5th – 17cm L/25 not QF battery (4 guns) raised by 10th Belomorska Division on 06.12.1916 6th – 17cm L/25 not QF battery (43 guns) raised by 10th Belomorska Division
1st – 37mm Greek machine guns platoon (2 guns) raised by 10th Belomorska Division on 20.01.1917 2nd – 37mm Greek machine guns platoon (2 guns) raised by 10th Belomorska Division on 20.05.1917
?	7th – 15cm L/25 not QF bty. was raised by the regiment
?	1^st – 75mm QF Krupp Greek field bty. was rearmed with 21cm not QF mortars
26.09.1917	2nd – 10.5cm L/35 not QF bty. was assigned to 3rd heavy artillery regiment
17.04.1918	The units of the regiment were renumbered as follows: 1st battery = 1st – 21cm not QF mortars battery 2nd battery = 2nd – 75mm QF Krupp Greek field position battery 3rd battery = 3rd – 75mm QF Krupp Greek field position battery 4th battery = 4th – 75mm QF Krupp Greek field position battery 5th battery = 5th – 75mm QF Schneider Serbian position field battery 6tht battery = 1st – 10.5cm L/35 not QF Greek battery 7th battery = 7th – 15cm L/25 not QF battery 8th battery = 2nd – 15cm L/30 not QF battery 9th battery = 3rd – 15cm L/30 not QF battery 10th battery = 4th – 15cm L/30 not QF battery 11th battery = 5th – 17cm L/25 not QF battery 12th battery = 6th – 17cm L/25 not QF battery 13th battery = 1st – 12cm L/25 not QF battery 14th battery = 2nd – 75mm QF Schneider Serbian battery 15th battery = 1st – 105mm QF field howitzers battery 1st platoon = 1st – 37mm machine guns platoon 2nd platoon = 2nd – 37mm machine guns platoon
5th heavy artillery regiment
Raised on 30.11.1917 at Badoma with the following composition:
1st division	1st – 15cm L/30 not QF battery from 1st heavy artillery regiment 2nd – 12cm L/25 not QF battery from 1st heavy artillery regiment 3rd – 12cm L/28 not QF battery from 1st heavy artillery regiment
	3rd – 57mm turret gun platoon from 1st heavy artillery regiment 4th – 57mm turret gun platoon from 1st heavy artillery regiment 1st – 57mm turret gun platoon from 3rd heavy artillery regiment
2^nd division	5th – 10.5cm L/35 not QF battery from 3rd heavy artillery regiment 6th – 10.5cm L/35 not QF battery from 3rd heavy artillery regiment
	2nd – 57mm turret gun platoon from 3rd heavy artillery regiment 1st – 57mm turret gun platoon from 1st heavy artillery regiment 5th – 57mm turret gun platoon from 1st heavy artillery regiment
?	4th and 7th – 10.5cm L/47 QF bts. were raised by the regiment (3 guns each)
?	88mm L/45 QF (anti-aircraft) battery was raised by the regiment
22.12.1917	1st – 57mm turret gun platoon was designed 6th – 57mm turret gun platoon
18.07.1918	4th, 5th and 6th – 57mm turret gun platoons of 2nd heavy art. rgt. were assigned to the regiment as its 7th, 8th and 9th platoons
?	37mm QF machine guns battery of the coast artillery was assigned to the regiment as its 10^th platoon
Composition of the regiments at the end of the World War