Neighbor of Lux.

Answer:

GER

Hint:

This three-letter country code shares a border with Belgium and France, and its full name starts with the same letter.

Explanation:

This clue refers to Luxembourg, often shortened to "Lux" in crosswords, and asks for its neighboring country. Germany is the answer, represented by its three-letter country code "GER." The abbreviation keeps it concise while pointing to the full country name, a common crossword trick for geographic clues.

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General solving tip

'In Rome' or numeral vibes can hint at Roman numerals (I, V, X, L, C, D, M) or Latin-style abbreviations. Try a numeric reading.

More tips → General Hints