Tal-Borg Battery (Maltese: "Batterija tal-Borg" ) was an artillery battery near Tarxien, Malta, built by Maltese insurgents during the French blockade of 1798–1800.
 It was part of a chain of batteries, redoubts and entrenchments encircling the French positions in Marsamxett and the Grand Harbour.
2nd Siege Artillery Battery was formed in Victoria during April 1915.
 The battery departed Melbourne on 17 July 1915 and served on the Western Front during World War I.
 The battery along with the 1st Siege Artillery Battery made up the 1st Siege Artillery Brigade.
 2nd Siege Artillery Battery was renamed the 55th Siege Artillery Battery on 28 September 1915.
 The battery was equipped first with four BL 9.2 inch Howitzers and then 6 from July 1917.
 In March 1918 the battery was assigned to the Australian Corps Heavy Artillery and resumed its original title.
Bomb Proof Battery was an artillery battery near Bomb Proof Barracks in the British Overseas Territory of Gibraltar.
 The battery was located at the south end of the King's Lines on the north-west face of the Rock of Gibraltar.
 It comprised a casemated battery built on two levels, each of which had two embrasures built into the old Spanish defences constructed above the then Puerta de Villavieja some time in the 16th century.
 The battery was partly built over when the King's Lines Battery was constructed.
 It was recorded as housing one 18-pdr and one 4-pdr in 1781, two 18-pdrs and one 24-pdr carronade in 1834, two 24-pdrs in 1859 and two 12-pdrs in 1885.
 It was re-equipped during the Second World War with a 25-pdr installed in 1941 and a 17-pdr anti-tank gun installed in 1943.
1st Siege Artillery Battery was formed in Victoria during April 1915.
 The battery departed Melbourne on 17 July 1915 and served on the Western Front during World War I.
 The battery along with the 2nd Siege Artillery Battery made up the 1st Siege Artillery Brigade.
 1st Siege Artillery Battery was renamed the 54th Siege Artillery Battery on 28 September 1915.
 The battery was equipped first with four 8 inch howitzers and then 6 from July 1917.
 In March 1918 the battery was assigned to the Australian Corps Heavy Artillery and resumed its original title.
The 3rd Arkansas Field Battery (1860–1865) was a Confederate Army artillery battery from Pulaski County, Arkansas, during the American Civil War.
 The battery is also known as the Totten Light Artillery, Pulaski Light Artillery, the Weaver Light Artillery, Woodruff’s Battery, and Marshall's Battery.
 The battery originated as a pre-war Militia company, initially enrolled in state service.
 After the Battle of Wilson's Creek, the battery was release from state service and eventually reorganized for Confederate Service.
 The battery provided the initial training for the leaders of numerous other Arkansas artillery batteries during the Civil War.
 The battery spent its entire service in the Department of the Trans-Mississippi.
The Shropshire Royal Horse Artillery was a Territorial Force Royal Horse Artillery battery that was formed in Shropshire in 1908 from the Shropshire Battery of the 1st Shropshire and Staffordshire Artillery Volunteers, Royal Garrison Artillery of the Volunteer Force.
 It saw active service during the First World War on the Western Front in 1917 and 1918 as part of an Army Field Artillery Brigade.
 A second line battery, 2/1st Shropshire RHA, also served on the Western Front in 1917 and 1918 as part of another Army Field Artillery Brigade.
 It was reconstituted post-war as a medium artillery battery and served as such in the Second World War.
Malta is a Southern European island country consisting of an archipelago in the Mediterranean Sea.
 It lies 80 km south of Italy, 284 km east of Tunisia, and 333 km north of Libya.
 The country covers just over 316 km2 , with a population of just under 450,000, making it one of the world's smallest and most densely populated countries.
 The capital of Malta is Valletta, which at 0.8 km, is the smallest national capital in the European Union.
The 9th Arkansas Field Battery (1863–1865) was a Confederate Army artillery battery during the American Civil War.
 Also known as: Trigg's Arkansas Artillery Battery.
 This battery is distinguished from an earlier battery commanded by the same Captain John T. Trigg, which was also known as Trigg's Arkansas Battery, or Austin's Battery or the Austin Artillery and participated in the Battle of Shiloh.
 Trigg's earlier battery was disbanded in July 1862.
The Nottinghamshire Royal Horse Artillery was a Territorial Force Royal Horse Artillery battery that was formed in Nottinghamshire in 1908.
 It saw active service during the First World War in the Middle Eastin the Senussi Campaign and the Sinai and Palestine Campaignfrom 1915 to 1918.
 A second line battery, 2/1st Nottinghamshire RHA, served in the Mesopotamian Campaign in 1917 and 1918 as a Field Artillery battery.
 Post-war, it was reconstituted as a Royal Field Artillery battery.
Malta ( ; ] ), officially known as the Republic of Malta (Maltese: "Repubblika ta' Malta" ), is a Southern European island country consisting of an archipelago in the Mediterranean Sea.
 It lies 80 km south of Italy, 284 km east of Tunisia, and 333 km north of Libya.
 The country covers just over 316 km2 , with a population of just under 450,000, making it one of the world's smallest and most densely populated countries.
 The capital of Malta is Valletta, which at 0.8 km, is the smallest national capital in the European Union by area.
 Malta has one national language, which is Maltese, and English as an official language.

Question: Tal-Borg Battery was an artillery battery near  Southern European island country consisting of an archipelago in what sea?
Answer: Mediterranean Sea