Regional Trial Courts shall exercise exclusive original jurisdiction:

      (1) In all civil cases in which the subject of the litigations is incapable of pecuniary estimation;

      (2) In all civil actions which involve the title to, or possession of real property, or any interest therein, where the assessed value of the property involved exceeds Twenty Thousand Pesos (P20,000.00) or, for civil actions in Metro Manila, where such value exceeds Fifty Thousand Pesos (P50,000.00) except actions for forcible entry into and unlawful detainer of lands or buildings, original jurisdiction over which is conferred upon the Metropolitan Trial Courts, Municipal Trial Courts, and Municipal Circuit Trial Courts;

      (3) In all actions in admiralty and maritime jurisdiction where the demand or claim exceeds One Hundred Thousand Pesos (P100,000.00) or, in Metro Manila, where such demand or claim exceeds Two Hundred Thousand Pesos (P200,000.00);

      (4) In all matters of probate, both testate and intestate, where the gross value of the estate exceeds One Hundred Thousand Pesos (P100,000.00) or, in probate matters in Metro Manila, where such gross value exceeds Two Hundred Thousand Pesos (P200,000.00);

      (5) In all actions involving the contract of marriage and marital relations;

      (6) In all cases not within the exclusive jurisdiction of any court, tribunal, person or body exercising jurisdiction of any court, tribunal, person or body exercising judicial or quasi-judicial functions;

      (7) In all civil actions and special proceedings falling within the exclusive jurisdiction of a Juvenile and Domestic Relations Court and of the Court of Agrarian Relations as now provided by law; and

      (8) In all other cases in which the demand, exclusive of interest, damages of whatever kind, attorney's fees, litigation expenses, and costs or the value of the property in controversy exceeds One Hundred Thousand Pesos (P100,000.00) or, in such other cases in Metro Manila, where the demand, exclusive of the above-mentioned items exceeds Two Hundred Thousand Pesos (P200,000.00). (As amended by Rep. Act No. 7691, approved March 25, 1994).