Complex sentence: Fortaleza de Muar or literally means the "Fort of Muar" was shown in an old map of the Portuguese an a 2nd Portuguese fortress in the Peninsular Malay beside Malacca located in Muar in the northern state of Johor in Malaysia.
Split into simpler sentences: Fortaleza de Muar, which literally means the "Fort of Muar", was shown in an old map of the Portuguese as the second Portuguese fortress in the Malay Peninsula besides Malacca. It is located in Muar in the northern state of Johor in Malaysia.