Gallia Belgica

Trier ( , ; ), formerly and traditionally known in English as Trèves ( , ) and Triers (see also names in other languages), is a city on the banks of the Moselle in Germany. It lies in a valley between low vine-covered hills of red sandstone in the west of the state of Rhineland-Palatinate, near the border with Luxembourg and within the important Moselle wine region.

Reims ( ; ; also spelled Rheims in English) is the most populous city in the French department of Marne, and the 12th most populous city in France. The city lies northeast of Paris on the Vesle river, a tributary of the Aisne.

Amiens (English: or ; ; , or ) is a city and commune in northern France, located north of Paris and south-west of Lille. With 136,449 inhabitants (2023), it is the capital of the Somme department in the region of Hauts-de-France. A central landmark of the city is Amiens Cathedral, the largest Gothic cathedral in France. Amiens also has one of the largest university hospitals in France, with a capacity of 1,200 beds. The author Jules Verne lived in Amiens from 1871 until his death in 1905, and served on the city council for 15 years. Amiens is the birthplace of French president Emmanuel Macron.

Boulogne-sur-Mer (; ; ; or Bononia), often called just Boulogne (, ), is a port city in Northern France. It is a sub-prefecture of the department of Pas-de-Calais. Boulogne lies on the Côte d'Opale, a touristic stretch of French coast on the English Channel between Calais and Normandy, and the most visited location in the region after the Lille conurbation. Boulogne is its department's third-largest city after Calais and Arras. It is also the country's largest fishing port, specialising in herring.

Soissons () is a commune in the northern French department of Aisne, in the region of Hauts-de-France. Located on the river Aisne, about northeast of Paris, it is one of the most ancient towns of France, and is probably the ancient capital of the Suessiones. Soissons is also the see of an ancient Roman Catholic diocese, whose establishment dates from about 300, and it was the location of a number of church synods called "Council of Soissons".

Tournai ( , ; ; ; , sometimes anglicised in older sources as "Tournay") is a city and municipality of Wallonia located in the Province of Hainaut, Belgium. It lies by road southwest of the centre of Brussels on the river Scheldt, and is part of Eurometropolis Lille–Kortrijk–Tournai, In 2022, the municipality of Tournai had an estimated population of 68,518 people.

Bavay () is a commune in the Nord department in the Hauts-de-France region of northern France. Currently a small town with about 3,200 inhabitants, it was an important Roman city, capital of the Nervii.

Roman province (22 BC - 5th century)

thumb|upright=1.35|Approximate location of pre-Roman Belgic Gaul shortly before Roman conquest, according to an interpretation of Caesar 300px|thumb|Map of northeastern Gaul around 70 AD The Belgae ( , ) were a large confederation of tribes living in northern Gaul, between the English Channel, the west bank of the Rhine, and the northern bank of the river Seine, from at least the third century BC. They were discussed in depth by Julius Caesar in his account of his wars in Gaul. Some peoples in southern Britain were also called Belgae and had apparently moved from the continent. T. F. O'Rahilly

Dieulouard (; formerly Dieulwart) is a commune in the Meurthe-et-Moselle department in north-eastern France. Dieulouard is located between Pont-à-Mousson and Nancy, on the left bank of the Moselle. It is the location of the Gallo-Roman city of Scarpone.

battle between the legions of the Roman Republic and an association of Belgic tribes, principally the Nervii

thumb|250px|An altar for Nehalennia in Domburg, [[Netherlands. On her right is a dog and in her hands a basket of apples.]] Nehalennia (also Nehalenia, Nehalaenniae, Nehalaenia, Nehellenia) is a tutelary goddess who was worshipped in 2nd- and 3rd-century Gallia Belgica by travelers, especially sailors and traders, at the mouth of the Scheldt. Her origin is unclear, perhaps Germanic or Celtic. She is attested on and depicted upon numerous votive altars discovered around what is now the province of Zeeland, the Netherlands, where the Schelde River flowed into the North Sea. Worship of Nehalennia

thumb|A map of Gaul in the 1st century BC, showing the relative position of the Bellovaci tribe.